The Gumdrop Spotted Croucher (Caracanthus madagascariensis or Caracanthus maculatus), often called the Gumdrop Coral Croucher or velvetfish, is a tiny, highly unique marine fish closely related to lionfish and scorpionfish, despite its goby-like appearance. Growing to a maximum size of only 1.5 to 2 inches, they feature a compact, laterally compressed pale body covered in vibrant red or brown spots and tiny hair-like appendages that give them a distinct fuzzy or velvety texture. Key Aquarium Care Specifications Minimum Tank Size: 10 gallons. Water Temperature: 72°F to 78°F. Water Chemistry: pH 8.1–8.4, Specific Gravity 1.020–1.025, Alkalinity 8–12 dKH. Diet: Strict carnivore requiring small frozen or live meaty foods like mysis shrimp, brine shrimp, and copepods.